CY7C1311BV18 查看數據表（PDF） - Cypress Semiconductor
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CY7C1311BV18 Datasheet PDF : 28 Pages
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CY7C1311BV18
CY7C1911BV18
CY7C1313BV18
CY7C1315BV18
Write Cycle Descriptions(CY7C1315BV18)[2, 10]
BWS0 BWS1 BWS2 BWS3 K
L
L
L
L L–H
L
L
L
L
–
L
H
H
H L–H
L
H
H
H
–
H
L
H
H L–H
H
L
H
H
–
H
H
L
H L–H
H
H
L
H
–
H
H
H
L L–H
H
H
H
L
–
H
H
H
H L–H
H
H
H
H
–
K
Comments
– During the Data portion of a Write sequence, all four bytes (D[35:0]) are written
into the device.
L–H During the Data portion of a Write sequence, all four bytes (D[35:0]) are written
into the device.
– During the Data portion of a Write sequence, only the lower byte (D[8:0]) is written
into the device. D[35:9] will remain unaltered.
L–H During the Data portion of a Write sequence, only the lower byte (D[8:0]) is written
into the device. D[35:9] will remain unaltered.
– During the Data portion of a Write sequence, only the byte (D[17:9]) is written into
the device. D[8:0] and D[35:18] will remain unaltered.
L–H During the Data portion of a Write sequence, only the byte (D[17:9]) is written into
the device. D[8:0] and D[35:18] will remain unaltered.
– During the Data portion of a Write sequence, only the byte (D[26:18]) is written
into the device. D[17:0] and D[35:27] will remain unaltered.
L–H During the Data portion of a Write sequence, only the byte (D[26:18]) is written
into the device. D[17:0] and D[35:27] will remain unaltered.
During the Data portion of a Write sequence, only the byte (D[35:27]) is written
into the device. D[26:0] will remain unaltered.
L–H During the Data portion of a Write sequence, only the byte (D[35:27]) is written
into the device. D[26:0] will remain unaltered.
– No data is written into the device during this portion of a write operation.
L–H No data is written into the device during this portion of a write operation.
Write Cycle Descriptions (CY7C1911BV18)[2, 10]
BWS0
L
L
H
H
K
K
L–H – During the Data portion of a Write sequence, the single byte (D[8:0]) is written into the device.
– L–H During the Data portion of a Write sequence, the single byte (D[8:0]) is written into the device.
L–H – No data is written into the device during this portion of a write operation.
– L–H No data is written into the device during this portion of a write operation.
Document Number: 38-05620 Rev. *C
Page 11 of 28
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